Abbas, Naeem, Javed Qureshi Akhter, Garee Khan, Muhammad Alam, Hawas Khan, Yasmeen Bano, Masroor Alam, Shams ur Rehman, and Asgar Khan. 2019. “A Relationship of Physical Properties With Rock Strength Under Specific Geological Conditions for Limestone and Marble, Khyber Region: A Relationship of Physical Properties With Rock Strength Under Specific Geological Conditions for Limestone and Marble, Khyber Region”. International Journal of Economic and Environmental Geology 10 (4):14-18. https://doi.org/10.46660/ijeeg.v10i4.385.